According to reporting from the Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH), the latest bout of activity began on September 4, when lava rose as high as 200 meters (650 feet) above Fuego’s crater rim. Plumes of ash have reached heights of about 850 meters (2,800 feet).

NASA Earth Observatory image by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Thanks to Rüdiger Escobar Wolf for pointing out the image. Caption by Adam Voiland and Joshua Stevens.